Estimated parasite loads in different clinical samples from 28 naturally infected dogs.

<p>Data distributions with distinct letters are significantly different according to the Mann-Whitney <i>U</i> test. Nasal swab and bone marrow (P = 0.0024); Nasal swab and skin biopsy (P = 0.019); Oral swab and bone marrow (P = 0.0013); Oral swab and skin biopsy (P = 0.0058); Conjunctival swab and bone marrow (P = 0.0009); Conjunctival swab and skin biopsy (P = 0.0057) *Only the left nostril was considered. **Only the left conjunctiva was considered.